The Master Flow 12 in. x 6 in. x 6 in. Insulated Register Box is designed for durability. This register box is made of zinc-coated, 30-Gauge galvanized steel. The 1 in. fiberglass insulation helps reduce HVAC system noise and absorb condensation for a quiet and efficient system. This register box can be installed with sheet metal screws.
Made of 30-Gauge galvanized steel
Pre-insulated no need to wrap
R4 insulating value
Seal seams with code-approved mastic, sealant or duct tape (sold separately)
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.